Overview
Brought to you by YData
Dataset statistics
| Number of variables | 14 |
|---|---|
| Number of observations | 500 |
| Missing cells | 0 |
| Missing cells (%) | 0.0% |
| Duplicate rows | 0 |
| Duplicate rows (%) | 0.0% |
| Total size in memory | 54.8 KiB |
| Average record size in memory | 112.3 B |
Variable types
| Numeric | 12 |
|---|---|
| Categorical | 2 |
Student_ID is uniformly distributed | Uniform |
Student_ID has unique values | Unique |
Caffeine_Intake has 85 (17.0%) zeros | Zeros |
Reproduction
| Analysis started | 2024-10-17 14:23:07.168796 |
|---|---|
| Analysis finished | 2024-10-17 14:23:31.735578 |
| Duration | 24.57 seconds |
| Software version | ydata-profiling vv4.11.0 |
| Download configuration | config.json |
Variables
Student_ID
Real number (ℝ)
Uniform  Unique 
| Distinct | 500 |
|---|---|
| Distinct (%) | 100.0% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 250.5 |
| Minimum | 1 |
|---|---|
| Maximum | 500 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 4.0 KiB |
Quantile statistics
| Minimum | 1 |
|---|---|
| 5-th percentile | 25.95 |
| Q1 | 125.75 |
| median | 250.5 |
| Q3 | 375.25 |
| 95-th percentile | 475.05 |
| Maximum | 500 |
| Range | 499 |
| Interquartile range (IQR) | 249.5 |
Descriptive statistics
| Standard deviation | 144.48183 |
|---|---|
| Coefficient of variation (CV) | 0.57677378 |
| Kurtosis | -1.2 |
| Mean | 250.5 |
| Median Absolute Deviation (MAD) | 125 |
| Skewness | 0 |
| Sum | 125250 |
| Variance | 20875 |
| Monotonicity | Strictly increasing |
| Value | Count | Frequency (%) |
| 500 | 1 | 0.2% |
| 1 | 1 | 0.2% |
| 2 | 1 | 0.2% |
| 3 | 1 | 0.2% |
| 484 | 1 | 0.2% |
| 483 | 1 | 0.2% |
| 482 | 1 | 0.2% |
| 481 | 1 | 0.2% |
| 480 | 1 | 0.2% |
| 479 | 1 | 0.2% |
| Other values (490) | 490 |
| Value | Count | Frequency (%) |
| 1 | 1 | |
| 2 | 1 | |
| 3 | 1 | |
| 4 | 1 | |
| 5 | 1 | |
| 6 | 1 | |
| 7 | 1 | |
| 8 | 1 | |
| 9 | 1 | |
| 10 | 1 |
| Value | Count | Frequency (%) |
| 500 | 1 | |
| 499 | 1 | |
| 498 | 1 | |
| 497 | 1 | |
| 496 | 1 | |
| 495 | 1 | |
| 494 | 1 | |
| 493 | 1 | |
| 492 | 1 | |
| 491 | 1 |
Age
Real number (ℝ)
| Distinct | 8 |
|---|---|
| Distinct (%) | 1.6% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 21.536 |
| Minimum | 18 |
|---|---|
| Maximum | 25 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 4.0 KiB |
Quantile statistics
| Minimum | 18 |
|---|---|
| 5-th percentile | 18 |
| Q1 | 20 |
| median | 21 |
| Q3 | 24 |
| 95-th percentile | 25 |
| Maximum | 25 |
| Range | 7 |
| Interquartile range (IQR) | 4 |
Descriptive statistics
| Standard deviation | 2.3331505 |
|---|---|
| Coefficient of variation (CV) | 0.10833723 |
| Kurtosis | -1.2277948 |
| Mean | 21.536 |
| Median Absolute Deviation (MAD) | 2 |
| Skewness | -0.011547179 |
| Sum | 10768 |
| Variance | 5.4435912 |
| Monotonicity | Not monotonic |
| Value | Count | Frequency (%) |
| 21 | 76 | |
| 25 | 72 | |
| 18 | 71 | |
| 20 | 64 | |
| 23 | 62 | |
| 24 | 58 | |
| 22 | 51 | |
| 19 | 46 |
| Value | Count | Frequency (%) |
| 18 | 71 | |
| 19 | 46 | |
| 20 | 64 | |
| 21 | 76 | |
| 22 | 51 | |
| 23 | 62 | |
| 24 | 58 | |
| 25 | 72 |
| Value | Count | Frequency (%) |
| 25 | 72 | |
| 24 | 58 | |
| 23 | 62 | |
| 22 | 51 | |
| 21 | 76 | |
| 20 | 64 | |
| 19 | 46 | |
| 18 | 71 |
Gender
Categorical
| Distinct | 3 |
|---|---|
| Distinct (%) | 0.6% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Memory size | 4.0 KiB |
| Male | |
|---|---|
| Female | |
| Other |
Length
| Max length | 6 |
|---|---|
| Median length | 5 |
| Mean length | 4.96 |
| Min length | 4 |
Unique
| Unique | 0 ? |
|---|---|
| Unique (%) | 0.0% |
Sample
| 1st row | Other |
|---|---|
| 2nd row | Male |
| 3rd row | Male |
| 4th row | Other |
| 5th row | Male |
Common Values
| Value | Count | Frequency (%) |
| Male | 186 | |
| Female | 166 | |
| Other | 148 |
Length
Common Values (Plot)
| Value | Count | Frequency (%) |
| male | 186 | |
| female | 166 | |
| other | 148 |
Most occurring characters
| Value | Count | Frequency (%) |
| e | 666 | |
| a | 352 | |
| l | 352 | |
| M | 186 | 7.5% |
| F | 166 | 6.7% |
| m | 166 | 6.7% |
| O | 148 | 6.0% |
| t | 148 | 6.0% |
| h | 148 | 6.0% |
| r | 148 | 6.0% |
Most occurring categories
| Value | Count | Frequency (%) |
| (unknown) | 2480 |
Most frequent character per category
(unknown)
| Value | Count | Frequency (%) |
| e | 666 | |
| a | 352 | |
| l | 352 | |
| M | 186 | 7.5% |
| F | 166 | 6.7% |
| m | 166 | 6.7% |
| O | 148 | 6.0% |
| t | 148 | 6.0% |
| h | 148 | 6.0% |
| r | 148 | 6.0% |
Most occurring scripts
| Value | Count | Frequency (%) |
| (unknown) | 2480 |
Most frequent character per script
(unknown)
| Value | Count | Frequency (%) |
| e | 666 | |
| a | 352 | |
| l | 352 | |
| M | 186 | 7.5% |
| F | 166 | 6.7% |
| m | 166 | 6.7% |
| O | 148 | 6.0% |
| t | 148 | 6.0% |
| h | 148 | 6.0% |
| r | 148 | 6.0% |
Most occurring blocks
| Value | Count | Frequency (%) |
| (unknown) | 2480 |
Most frequent character per block
(unknown)
| Value | Count | Frequency (%) |
| e | 666 | |
| a | 352 | |
| l | 352 | |
| M | 186 | 7.5% |
| F | 166 | 6.7% |
| m | 166 | 6.7% |
| O | 148 | 6.0% |
| t | 148 | 6.0% |
| h | 148 | 6.0% |
| r | 148 | 6.0% |
University_Year
Categorical
| Distinct | 4 |
|---|---|
| Distinct (%) | 0.8% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Memory size | 4.0 KiB |
| 3rd Year | |
|---|---|
| 2nd Year | |
| 1st Year | |
| 4th Year |
Length
| Max length | 8 |
|---|---|
| Median length | 8 |
| Mean length | 8 |
| Min length | 8 |
Unique
| Unique | 0 ? |
|---|---|
| Unique (%) | 0.0% |
Sample
| 1st row | 2nd Year |
|---|---|
| 2nd row | 1st Year |
| 3rd row | 4th Year |
| 4th row | 4th Year |
| 5th row | 4th Year |
Common Values
| Value | Count | Frequency (%) |
| 3rd Year | 132 | |
| 2nd Year | 131 | |
| 1st Year | 125 | |
| 4th Year | 112 |
Length
Common Values (Plot)
| Value | Count | Frequency (%) |
| year | 500 | |
| 3rd | 132 | 13.2% |
| 2nd | 131 | 13.1% |
| 1st | 125 | 12.5% |
| 4th | 112 | 11.2% |
Most occurring characters
| Value | Count | Frequency (%) |
| r | 632 | |
| 500 | ||
| e | 500 | |
| Y | 500 | |
| a | 500 | |
| d | 263 | |
| t | 237 | 5.9% |
| 3 | 132 | 3.3% |
| n | 131 | 3.3% |
| 2 | 131 | 3.3% |
| Other values (4) | 474 |
Most occurring categories
| Value | Count | Frequency (%) |
| (unknown) | 4000 |
Most frequent character per category
(unknown)
| Value | Count | Frequency (%) |
| r | 632 | |
| 500 | ||
| e | 500 | |
| Y | 500 | |
| a | 500 | |
| d | 263 | |
| t | 237 | 5.9% |
| 3 | 132 | 3.3% |
| n | 131 | 3.3% |
| 2 | 131 | 3.3% |
| Other values (4) | 474 |
Most occurring scripts
| Value | Count | Frequency (%) |
| (unknown) | 4000 |
Most frequent character per script
(unknown)
| Value | Count | Frequency (%) |
| r | 632 | |
| 500 | ||
| e | 500 | |
| Y | 500 | |
| a | 500 | |
| d | 263 | |
| t | 237 | 5.9% |
| 3 | 132 | 3.3% |
| n | 131 | 3.3% |
| 2 | 131 | 3.3% |
| Other values (4) | 474 |
Most occurring blocks
| Value | Count | Frequency (%) |
| (unknown) | 4000 |
Most frequent character per block
(unknown)
| Value | Count | Frequency (%) |
| r | 632 | |
| 500 | ||
| e | 500 | |
| Y | 500 | |
| a | 500 | |
| d | 263 | |
| t | 237 | 5.9% |
| 3 | 132 | 3.3% |
| n | 131 | 3.3% |
| 2 | 131 | 3.3% |
| Other values (4) | 474 |
Sleep_Duration
Real number (ℝ)
| Distinct | 51 |
|---|---|
| Distinct (%) | 10.2% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 6.4724 |
| Minimum | 4 |
|---|---|
| Maximum | 9 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 4.0 KiB |
Quantile statistics
| Minimum | 4 |
|---|---|
| 5-th percentile | 4.2 |
| Q1 | 5.1 |
| median | 6.5 |
| Q3 | 7.8 |
| 95-th percentile | 8.7 |
| Maximum | 9 |
| Range | 5 |
| Interquartile range (IQR) | 2.7 |
Descriptive statistics
| Standard deviation | 1.4857635 |
|---|---|
| Coefficient of variation (CV) | 0.22955372 |
| Kurtosis | -1.2791132 |
| Mean | 6.4724 |
| Median Absolute Deviation (MAD) | 1.3 |
| Skewness | -0.0061837749 |
| Sum | 3236.2 |
| Variance | 2.2074932 |
| Monotonicity | Not monotonic |
| Value | Count | Frequency (%) |
| 4.1 | 16 | 3.2% |
| 8.4 | 16 | 3.2% |
| 4.4 | 15 | 3.0% |
| 5.2 | 14 | 2.8% |
| 7.5 | 14 | 2.8% |
| 4.9 | 14 | 2.8% |
| 5.1 | 13 | 2.6% |
| 4.2 | 13 | 2.6% |
| 7 | 13 | 2.6% |
| 8 | 13 | 2.6% |
| Other values (41) | 359 |
| Value | Count | Frequency (%) |
| 4 | 2 | 0.4% |
| 4.1 | 16 | |
| 4.2 | 13 | |
| 4.3 | 10 | |
| 4.4 | 15 | |
| 4.5 | 9 | |
| 4.6 | 7 | |
| 4.7 | 10 | |
| 4.8 | 11 | |
| 4.9 | 14 |
| Value | Count | Frequency (%) |
| 9 | 5 | 1.0% |
| 8.9 | 10 | |
| 8.8 | 8 | |
| 8.7 | 13 | |
| 8.6 | 9 | |
| 8.5 | 7 | |
| 8.4 | 16 | |
| 8.3 | 11 | |
| 8.2 | 7 | |
| 8.1 | 10 |
Study_Hours
Real number (ℝ)
| Distinct | 116 |
|---|---|
| Distinct (%) | 23.2% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 5.9816 |
| Minimum | 0.1 |
|---|---|
| Maximum | 12 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 4.0 KiB |
Quantile statistics
| Minimum | 0.1 |
|---|---|
| 5-th percentile | 0.695 |
| Q1 | 2.9 |
| median | 6.05 |
| Q3 | 8.8 |
| 95-th percentile | 11.6 |
| Maximum | 12 |
| Range | 11.9 |
| Interquartile range (IQR) | 5.9 |
Descriptive statistics
| Standard deviation | 3.4757248 |
|---|---|
| Coefficient of variation (CV) | 0.58106941 |
| Kurtosis | -1.174082 |
| Mean | 5.9816 |
| Median Absolute Deviation (MAD) | 2.95 |
| Skewness | -0.0047545512 |
| Sum | 2990.8 |
| Variance | 12.080663 |
| Monotonicity | Not monotonic |
| Value | Count | Frequency (%) |
| 10.4 | 11 | 2.2% |
| 8.3 | 10 | 2.0% |
| 11.6 | 9 | 1.8% |
| 7.9 | 8 | 1.6% |
| 0.5 | 7 | 1.4% |
| 1.6 | 7 | 1.4% |
| 5.4 | 7 | 1.4% |
| 6.2 | 7 | 1.4% |
| 11.9 | 7 | 1.4% |
| 8.8 | 7 | 1.4% |
| Other values (106) | 420 |
| Value | Count | Frequency (%) |
| 0.1 | 6 | |
| 0.2 | 2 | 0.4% |
| 0.3 | 4 | |
| 0.4 | 5 | |
| 0.5 | 7 | |
| 0.6 | 1 | 0.2% |
| 0.7 | 7 | |
| 0.8 | 4 | |
| 0.9 | 5 | |
| 1 | 5 |
| Value | Count | Frequency (%) |
| 12 | 3 | 0.6% |
| 11.9 | 7 | |
| 11.8 | 2 | 0.4% |
| 11.7 | 5 | |
| 11.6 | 9 | |
| 11.5 | 5 | |
| 11.4 | 2 | 0.4% |
| 11.3 | 1 | 0.2% |
| 11.2 | 6 | |
| 11.1 | 4 |
Screen_Time
Real number (ℝ)
| Distinct | 31 |
|---|---|
| Distinct (%) | 6.2% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 2.525 |
| Minimum | 1 |
|---|---|
| Maximum | 4 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 4.0 KiB |
Quantile statistics
| Minimum | 1 |
|---|---|
| 5-th percentile | 1.2 |
| Q1 | 1.8 |
| median | 2.6 |
| Q3 | 3.3 |
| 95-th percentile | 3.8 |
| Maximum | 4 |
| Range | 3 |
| Interquartile range (IQR) | 1.5 |
Descriptive statistics
| Standard deviation | 0.85941386 |
|---|---|
| Coefficient of variation (CV) | 0.34036193 |
| Kurtosis | -1.184962 |
| Mean | 2.525 |
| Median Absolute Deviation (MAD) | 0.8 |
| Skewness | -0.071633318 |
| Sum | 1262.5 |
| Variance | 0.73859218 |
| Monotonicity | Not monotonic |
| Value | Count | Frequency (%) |
| 3.6 | 22 | 4.4% |
| 2.8 | 21 | 4.2% |
| 3.4 | 21 | 4.2% |
| 3.5 | 21 | 4.2% |
| 1.8 | 20 | 4.0% |
| 3.2 | 20 | 4.0% |
| 3 | 19 | 3.8% |
| 2.4 | 19 | 3.8% |
| 2.3 | 19 | 3.8% |
| 1.2 | 19 | 3.8% |
| Other values (21) | 299 |
| Value | Count | Frequency (%) |
| 1 | 8 | 1.6% |
| 1.1 | 14 | |
| 1.2 | 19 | |
| 1.3 | 18 | |
| 1.4 | 14 | |
| 1.5 | 13 | |
| 1.6 | 18 | |
| 1.7 | 14 | |
| 1.8 | 20 | |
| 1.9 | 16 |
| Value | Count | Frequency (%) |
| 4 | 9 | |
| 3.9 | 14 | |
| 3.8 | 11 | |
| 3.7 | 17 | |
| 3.6 | 22 | |
| 3.5 | 21 | |
| 3.4 | 21 | |
| 3.3 | 14 | |
| 3.2 | 20 | |
| 3.1 | 13 |
Caffeine_Intake
Real number (ℝ)
Zeros 
| Distinct | 6 |
|---|---|
| Distinct (%) | 1.2% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 2.462 |
| Minimum | 0 |
|---|---|
| Maximum | 5 |
| Zeros | 85 |
| Zeros (%) | 17.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 4.0 KiB |
Quantile statistics
| Minimum | 0 |
|---|---|
| 5-th percentile | 0 |
| Q1 | 1 |
| median | 2 |
| Q3 | 4 |
| 95-th percentile | 5 |
| Maximum | 5 |
| Range | 5 |
| Interquartile range (IQR) | 3 |
Descriptive statistics
| Standard deviation | 1.6823247 |
|---|---|
| Coefficient of variation (CV) | 0.68331629 |
| Kurtosis | -1.2310121 |
| Mean | 2.462 |
| Median Absolute Deviation (MAD) | 1 |
| Skewness | 0.0077235791 |
| Sum | 1231 |
| Variance | 2.8302164 |
| Monotonicity | Not monotonic |
| Value | Count | Frequency (%) |
| 2 | 92 | |
| 4 | 88 | |
| 0 | 85 | |
| 3 | 82 | |
| 1 | 79 | |
| 5 | 74 |
| Value | Count | Frequency (%) |
| 0 | 85 | |
| 1 | 79 | |
| 2 | 92 | |
| 3 | 82 | |
| 4 | 88 | |
| 5 | 74 |
| Value | Count | Frequency (%) |
| 5 | 74 | |
| 4 | 88 | |
| 3 | 82 | |
| 2 | 92 | |
| 1 | 79 | |
| 0 | 85 |
Physical_Activity
Real number (ℝ)
| Distinct | 120 |
|---|---|
| Distinct (%) | 24.0% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 62.342 |
| Minimum | 0 |
|---|---|
| Maximum | 120 |
| Zeros | 3 |
| Zeros (%) | 0.6% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 4.0 KiB |
Quantile statistics
| Minimum | 0 |
|---|---|
| 5-th percentile | 6 |
| Q1 | 32.75 |
| median | 62.5 |
| Q3 | 93.25 |
| 95-th percentile | 115 |
| Maximum | 120 |
| Range | 120 |
| Interquartile range (IQR) | 60.5 |
Descriptive statistics
| Standard deviation | 35.191674 |
|---|---|
| Coefficient of variation (CV) | 0.56449383 |
| Kurtosis | -1.2306294 |
| Mean | 62.342 |
| Median Absolute Deviation (MAD) | 30.5 |
| Skewness | -0.088016992 |
| Sum | 31171 |
| Variance | 1238.4539 |
| Monotonicity | Not monotonic |
| Value | Count | Frequency (%) |
| 53 | 9 | 1.8% |
| 27 | 9 | 1.8% |
| 99 | 8 | 1.6% |
| 108 | 8 | 1.6% |
| 83 | 8 | 1.6% |
| 92 | 8 | 1.6% |
| 86 | 7 | 1.4% |
| 85 | 7 | 1.4% |
| 52 | 7 | 1.4% |
| 46 | 7 | 1.4% |
| Other values (110) | 422 |
| Value | Count | Frequency (%) |
| 0 | 3 | |
| 1 | 1 | 0.2% |
| 2 | 4 | |
| 3 | 5 | |
| 4 | 4 | |
| 5 | 4 | |
| 6 | 5 | |
| 7 | 6 | |
| 8 | 4 | |
| 9 | 6 |
| Value | Count | Frequency (%) |
| 120 | 4 | |
| 119 | 5 | |
| 118 | 5 | |
| 117 | 3 | |
| 116 | 4 | |
| 115 | 6 | |
| 114 | 4 | |
| 113 | 5 | |
| 112 | 3 | |
| 111 | 3 |
Sleep_Quality
Real number (ℝ)
| Distinct | 10 |
|---|---|
| Distinct (%) | 2.0% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 5.362 |
| Minimum | 1 |
|---|---|
| Maximum | 10 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 4.0 KiB |
Quantile statistics
| Minimum | 1 |
|---|---|
| 5-th percentile | 1 |
| Q1 | 3 |
| median | 5 |
| Q3 | 8 |
| 95-th percentile | 10 |
| Maximum | 10 |
| Range | 9 |
| Interquartile range (IQR) | 5 |
Descriptive statistics
| Standard deviation | 2.9672487 |
|---|---|
| Coefficient of variation (CV) | 0.5533847 |
| Kurtosis | -1.2742452 |
| Mean | 5.362 |
| Median Absolute Deviation (MAD) | 3 |
| Skewness | 0.040661416 |
| Sum | 2681 |
| Variance | 8.8045651 |
| Monotonicity | Not monotonic |
| Value | Count | Frequency (%) |
| 1 | 66 | |
| 6 | 57 | |
| 9 | 55 | |
| 3 | 54 | |
| 10 | 50 | |
| 2 | 46 | |
| 4 | 46 | |
| 7 | 45 | |
| 5 | 41 | |
| 8 | 40 |
| Value | Count | Frequency (%) |
| 1 | 66 | |
| 2 | 46 | |
| 3 | 54 | |
| 4 | 46 | |
| 5 | 41 | |
| 6 | 57 | |
| 7 | 45 | |
| 8 | 40 | |
| 9 | 55 | |
| 10 | 50 |
| Value | Count | Frequency (%) |
| 10 | 50 | |
| 9 | 55 | |
| 8 | 40 | |
| 7 | 45 | |
| 6 | 57 | |
| 5 | 41 | |
| 4 | 46 | |
| 3 | 54 | |
| 2 | 46 | |
| 1 | 66 |
Weekday_Sleep_Start
Real number (ℝ)
| Distinct | 452 |
|---|---|
| Distinct (%) | 90.4% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 11.16686 |
| Minimum | 1.08 |
|---|---|
| Maximum | 21.93 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 4.0 KiB |
Quantile statistics
| Minimum | 1.08 |
|---|---|
| 5-th percentile | 2.229 |
| Q1 | 6.0875 |
| median | 10.635 |
| Q3 | 16.1525 |
| 95-th percentile | 20.841 |
| Maximum | 21.93 |
| Range | 20.85 |
| Interquartile range (IQR) | 10.065 |
Descriptive statistics
| Standard deviation | 5.972352 |
|---|---|
| Coefficient of variation (CV) | 0.53482823 |
| Kurtosis | -1.1495632 |
| Mean | 11.16686 |
| Median Absolute Deviation (MAD) | 5 |
| Skewness | 0.10794781 |
| Sum | 5583.43 |
| Variance | 35.668988 |
| Monotonicity | Not monotonic |
| Value | Count | Frequency (%) |
| 6.29 | 3 | 0.6% |
| 13.29 | 2 | 0.4% |
| 6.54 | 2 | 0.4% |
| 12.49 | 2 | 0.4% |
| 5.69 | 2 | 0.4% |
| 2.08 | 2 | 0.4% |
| 5.42 | 2 | 0.4% |
| 13.26 | 2 | 0.4% |
| 7.31 | 2 | 0.4% |
| 3.76 | 2 | 0.4% |
| Other values (442) | 479 |
| Value | Count | Frequency (%) |
| 1.08 | 1 | |
| 1.17 | 2 | |
| 1.22 | 1 | |
| 1.24 | 1 | |
| 1.28 | 1 | |
| 1.31 | 1 | |
| 1.32 | 1 | |
| 1.33 | 1 | |
| 1.35 | 1 | |
| 1.5 | 1 |
| Value | Count | Frequency (%) |
| 21.93 | 1 | |
| 21.89 | 2 | |
| 21.88 | 1 | |
| 21.86 | 1 | |
| 21.82 | 1 | |
| 21.71 | 1 | |
| 21.69 | 1 | |
| 21.68 | 1 | |
| 21.67 | 2 | |
| 21.64 | 1 |
Weekend_Sleep_Start
Real number (ℝ)
| Distinct | 442 |
|---|---|
| Distinct (%) | 88.4% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 12.37586 |
| Minimum | 2.05 |
|---|---|
| Maximum | 22 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 4.0 KiB |
Quantile statistics
| Minimum | 2.05 |
|---|---|
| 5-th percentile | 3.1685 |
| Q1 | 7.2975 |
| median | 12.69 |
| Q3 | 17.3275 |
| 95-th percentile | 20.9905 |
| Maximum | 22 |
| Range | 19.95 |
| Interquartile range (IQR) | 10.03 |
Descriptive statistics
| Standard deviation | 5.7896108 |
|---|---|
| Coefficient of variation (CV) | 0.46781483 |
| Kurtosis | -1.2171067 |
| Mean | 12.37586 |
| Median Absolute Deviation (MAD) | 4.975 |
| Skewness | -0.11019528 |
| Sum | 6187.93 |
| Variance | 33.519593 |
| Monotonicity | Not monotonic |
| Value | Count | Frequency (%) |
| 11.53 | 3 | 0.6% |
| 8.96 | 3 | 0.6% |
| 20.47 | 3 | 0.6% |
| 15.25 | 3 | 0.6% |
| 15.86 | 2 | 0.4% |
| 15.36 | 2 | 0.4% |
| 2.46 | 2 | 0.4% |
| 8.67 | 2 | 0.4% |
| 4.11 | 2 | 0.4% |
| 15.63 | 2 | 0.4% |
| Other values (432) | 476 |
| Value | Count | Frequency (%) |
| 2.05 | 1 | |
| 2.06 | 1 | |
| 2.07 | 1 | |
| 2.11 | 2 | |
| 2.17 | 1 | |
| 2.2 | 1 | |
| 2.22 | 1 | |
| 2.25 | 1 | |
| 2.28 | 1 | |
| 2.3 | 1 |
| Value | Count | Frequency (%) |
| 22 | 1 | |
| 21.97 | 1 | |
| 21.89 | 1 | |
| 21.87 | 1 | |
| 21.84 | 1 | |
| 21.81 | 1 | |
| 21.73 | 1 | |
| 21.66 | 1 | |
| 21.63 | 1 | |
| 21.53 | 1 |
Weekday_Sleep_End
Real number (ℝ)
| Distinct | 289 |
|---|---|
| Distinct (%) | 57.8% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 6.9299 |
| Minimum | 5 |
|---|---|
| Maximum | 8.98 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 4.0 KiB |
Quantile statistics
| Minimum | 5 |
|---|---|
| 5-th percentile | 5.149 |
| Q1 | 5.9 |
| median | 6.885 |
| Q3 | 7.9725 |
| 95-th percentile | 8.74 |
| Maximum | 8.98 |
| Range | 3.98 |
| Interquartile range (IQR) | 2.0725 |
Descriptive statistics
| Standard deviation | 1.1831742 |
|---|---|
| Coefficient of variation (CV) | 0.17073467 |
| Kurtosis | -1.2740428 |
| Mean | 6.9299 |
| Median Absolute Deviation (MAD) | 1.05 |
| Skewness | 0.036455298 |
| Sum | 3464.95 |
| Variance | 1.3999012 |
| Monotonicity | Not monotonic |
| Value | Count | Frequency (%) |
| 8.98 | 5 | 1.0% |
| 8.45 | 5 | 1.0% |
| 5.27 | 4 | 0.8% |
| 5.1 | 4 | 0.8% |
| 6.23 | 4 | 0.8% |
| 5.78 | 4 | 0.8% |
| 5.24 | 4 | 0.8% |
| 7.92 | 4 | 0.8% |
| 5.22 | 4 | 0.8% |
| 5.93 | 4 | 0.8% |
| Other values (279) | 458 |
| Value | Count | Frequency (%) |
| 5 | 1 | 0.2% |
| 5.01 | 1 | 0.2% |
| 5.02 | 1 | 0.2% |
| 5.03 | 2 | |
| 5.04 | 2 | |
| 5.05 | 2 | |
| 5.06 | 3 | |
| 5.07 | 2 | |
| 5.08 | 3 | |
| 5.09 | 1 | 0.2% |
| Value | Count | Frequency (%) |
| 8.98 | 5 | |
| 8.97 | 1 | 0.2% |
| 8.95 | 2 | 0.4% |
| 8.94 | 1 | 0.2% |
| 8.92 | 1 | 0.2% |
| 8.91 | 2 | 0.4% |
| 8.87 | 1 | 0.2% |
| 8.86 | 1 | 0.2% |
| 8.85 | 2 | 0.4% |
| 8.84 | 1 | 0.2% |
Weekend_Sleep_End
Real number (ℝ)
| Distinct | 297 |
|---|---|
| Distinct (%) | 59.4% |
| Missing | 0 |
| Missing (%) | 0.0% |
| Infinite | 0 |
| Infinite (%) | 0.0% |
| Mean | 8.9881 |
| Minimum | 7.02 |
|---|---|
| Maximum | 10.99 |
| Zeros | 0 |
| Zeros (%) | 0.0% |
| Negative | 0 |
| Negative (%) | 0.0% |
| Memory size | 4.0 KiB |
Quantile statistics
| Minimum | 7.02 |
|---|---|
| 5-th percentile | 7.2295 |
| Q1 | 8.0475 |
| median | 9.005 |
| Q3 | 9.925 |
| 95-th percentile | 10.75 |
| Maximum | 10.99 |
| Range | 3.97 |
| Interquartile range (IQR) | 1.8775 |
Descriptive statistics
| Standard deviation | 1.1112528 |
|---|---|
| Coefficient of variation (CV) | 0.12363601 |
| Kurtosis | -1.1323291 |
| Mean | 8.9881 |
| Median Absolute Deviation (MAD) | 0.945 |
| Skewness | 0.00021165508 |
| Sum | 4494.05 |
| Variance | 1.2348828 |
| Monotonicity | Not monotonic |
| Value | Count | Frequency (%) |
| 7.81 | 5 | 1.0% |
| 10.17 | 5 | 1.0% |
| 8.61 | 5 | 1.0% |
| 10.41 | 4 | 0.8% |
| 8.83 | 4 | 0.8% |
| 9.07 | 4 | 0.8% |
| 8.78 | 4 | 0.8% |
| 10.25 | 4 | 0.8% |
| 9.48 | 4 | 0.8% |
| 8.95 | 4 | 0.8% |
| Other values (287) | 457 |
| Value | Count | Frequency (%) |
| 7.02 | 1 | 0.2% |
| 7.03 | 1 | 0.2% |
| 7.04 | 3 | |
| 7.06 | 1 | 0.2% |
| 7.07 | 1 | 0.2% |
| 7.08 | 2 | |
| 7.09 | 1 | 0.2% |
| 7.1 | 1 | 0.2% |
| 7.11 | 1 | 0.2% |
| 7.12 | 1 | 0.2% |
| Value | Count | Frequency (%) |
| 10.99 | 2 | |
| 10.98 | 1 | |
| 10.97 | 1 | |
| 10.95 | 1 | |
| 10.94 | 2 | |
| 10.92 | 2 | |
| 10.91 | 1 | |
| 10.89 | 1 | |
| 10.88 | 1 | |
| 10.87 | 1 |
Interactions
Correlations
| Age | Caffeine_Intake | Gender | Physical_Activity | Screen_Time | Sleep_Duration | Sleep_Quality | Student_ID | Study_Hours | University_Year | Weekday_Sleep_End | Weekday_Sleep_Start | Weekend_Sleep_End | Weekend_Sleep_Start | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Age | 1.000 | 0.008 | 0.000 | 0.014 | -0.085 | -0.015 | 0.020 | -0.011 | 0.060 | 0.000 | 0.021 | 0.011 | 0.058 | 0.010 |
| Caffeine_Intake | 0.008 | 1.000 | 0.060 | -0.027 | 0.050 | -0.013 | -0.006 | -0.026 | 0.033 | 0.030 | 0.007 | -0.004 | 0.008 | 0.022 |
| Gender | 0.000 | 0.060 | 1.000 | 0.061 | 0.000 | 0.000 | 0.000 | 0.064 | 0.000 | 0.000 | 0.000 | 0.000 | 0.077 | 0.000 |
| Physical_Activity | 0.014 | -0.027 | 0.061 | 1.000 | -0.037 | -0.005 | -0.014 | 0.058 | -0.047 | 0.064 | 0.034 | -0.004 | 0.023 | 0.040 |
| Screen_Time | -0.085 | 0.050 | 0.000 | -0.037 | 1.000 | 0.071 | 0.010 | -0.032 | -0.041 | 0.000 | -0.017 | -0.070 | -0.100 | -0.046 |
| Sleep_Duration | -0.015 | -0.013 | 0.000 | -0.005 | 0.071 | 1.000 | -0.015 | 0.048 | -0.010 | 0.070 | -0.035 | -0.077 | -0.046 | 0.035 |
| Sleep_Quality | 0.020 | -0.006 | 0.000 | -0.014 | 0.010 | -0.015 | 1.000 | 0.013 | 0.058 | 0.049 | 0.023 | -0.014 | -0.006 | -0.003 |
| Student_ID | -0.011 | -0.026 | 0.064 | 0.058 | -0.032 | 0.048 | 0.013 | 1.000 | -0.055 | 0.000 | 0.050 | 0.038 | -0.067 | -0.043 |
| Study_Hours | 0.060 | 0.033 | 0.000 | -0.047 | -0.041 | -0.010 | 0.058 | -0.055 | 1.000 | 0.040 | 0.011 | -0.006 | 0.056 | -0.009 |
| University_Year | 0.000 | 0.030 | 0.000 | 0.064 | 0.000 | 0.070 | 0.049 | 0.000 | 0.040 | 1.000 | 0.039 | 0.030 | 0.028 | 0.000 |
| Weekday_Sleep_End | 0.021 | 0.007 | 0.000 | 0.034 | -0.017 | -0.035 | 0.023 | 0.050 | 0.011 | 0.039 | 1.000 | -0.032 | -0.000 | -0.051 |
| Weekday_Sleep_Start | 0.011 | -0.004 | 0.000 | -0.004 | -0.070 | -0.077 | -0.014 | 0.038 | -0.006 | 0.030 | -0.032 | 1.000 | 0.115 | 0.024 |
| Weekend_Sleep_End | 0.058 | 0.008 | 0.077 | 0.023 | -0.100 | -0.046 | -0.006 | -0.067 | 0.056 | 0.028 | -0.000 | 0.115 | 1.000 | 0.075 |
| Weekend_Sleep_Start | 0.010 | 0.022 | 0.000 | 0.040 | -0.046 | 0.035 | -0.003 | -0.043 | -0.009 | 0.000 | -0.051 | 0.024 | 0.075 | 1.000 |
Missing values
Sample
| Student_ID | Age | Gender | University_Year | Sleep_Duration | Study_Hours | Screen_Time | Caffeine_Intake | Physical_Activity | Sleep_Quality | Weekday_Sleep_Start | Weekend_Sleep_Start | Weekday_Sleep_End | Weekend_Sleep_End | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 1 | 24 | Other | 2nd Year | 7.7 | 7.9 | 3.4 | 2 | 37 | 10 | 14.16 | 4.05 | 7.41 | 7.06 |
| 1 | 2 | 21 | Male | 1st Year | 6.3 | 6.0 | 1.9 | 5 | 74 | 2 | 8.73 | 7.10 | 8.21 | 10.21 |
| 2 | 3 | 22 | Male | 4th Year | 5.1 | 6.7 | 3.9 | 5 | 53 | 5 | 20.00 | 20.47 | 6.88 | 10.92 |
| 3 | 4 | 24 | Other | 4th Year | 6.3 | 8.6 | 2.8 | 4 | 55 | 9 | 19.82 | 4.08 | 6.69 | 9.42 |
| 4 | 5 | 20 | Male | 4th Year | 4.7 | 2.7 | 2.7 | 0 | 85 | 3 | 20.98 | 6.12 | 8.98 | 9.01 |
| 5 | 6 | 25 | Other | 1st Year | 4.9 | 12.0 | 3.2 | 3 | 96 | 9 | 9.80 | 18.83 | 5.04 | 10.51 |
| 6 | 7 | 22 | Female | 2nd Year | 6.5 | 11.7 | 3.4 | 1 | 99 | 6 | 13.05 | 20.96 | 8.58 | 10.81 |
| 7 | 8 | 22 | Male | 2nd Year | 6.1 | 7.8 | 3.0 | 1 | 108 | 4 | 10.49 | 10.85 | 5.60 | 10.02 |
| 8 | 9 | 24 | Female | 1st Year | 8.6 | 2.4 | 1.4 | 1 | 86 | 7 | 11.06 | 18.88 | 8.14 | 8.78 |
| 9 | 10 | 19 | Other | 2nd Year | 5.8 | 8.2 | 2.0 | 3 | 44 | 8 | 14.65 | 5.31 | 7.47 | 9.37 |
| Student_ID | Age | Gender | University_Year | Sleep_Duration | Study_Hours | Screen_Time | Caffeine_Intake | Physical_Activity | Sleep_Quality | Weekday_Sleep_Start | Weekend_Sleep_Start | Weekday_Sleep_End | Weekend_Sleep_End | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 490 | 491 | 25 | Other | 3rd Year | 4.4 | 7.5 | 2.3 | 3 | 91 | 3 | 16.96 | 6.17 | 5.69 | 8.00 |
| 491 | 492 | 22 | Female | 4th Year | 4.3 | 4.6 | 2.2 | 0 | 75 | 3 | 18.97 | 3.68 | 6.91 | 9.04 |
| 492 | 493 | 18 | Other | 1st Year | 5.2 | 2.5 | 3.7 | 4 | 37 | 6 | 19.57 | 14.80 | 7.95 | 10.64 |
| 493 | 494 | 23 | Female | 2nd Year | 4.8 | 1.5 | 3.1 | 1 | 114 | 8 | 21.43 | 15.86 | 5.56 | 10.14 |
| 494 | 495 | 22 | Other | 3rd Year | 8.4 | 7.4 | 2.8 | 4 | 35 | 7 | 11.00 | 18.10 | 6.76 | 8.95 |
| 495 | 496 | 24 | Male | 2nd Year | 5.1 | 9.3 | 1.9 | 4 | 110 | 4 | 17.42 | 8.43 | 6.93 | 10.78 |
| 496 | 497 | 20 | Male | 2nd Year | 8.9 | 7.7 | 3.5 | 3 | 40 | 4 | 1.22 | 15.54 | 5.85 | 7.23 |
| 497 | 498 | 21 | Male | 3rd Year | 5.7 | 6.4 | 3.9 | 1 | 68 | 10 | 9.94 | 2.25 | 5.46 | 10.72 |
| 498 | 499 | 18 | Female | 2nd Year | 4.9 | 0.5 | 3.5 | 0 | 12 | 2 | 19.10 | 15.49 | 8.35 | 7.20 |
| 499 | 500 | 21 | Male | 3rd Year | 7.9 | 11.6 | 1.0 | 0 | 86 | 1 | 7.54 | 14.12 | 7.01 | 9.19 |